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    • 4. 发明授权
    • Film having fine voids and manufacture thereof
    • 薄膜具有细小的空隙及其制造
    • US6004664A
    • 1999-12-21
    • US110825
    • 1998-07-06
    • Yasushi SasakiKen-ichi MoriKatsuya ItoToshitake Suzuki
    • Yasushi SasakiKen-ichi MoriKatsuya ItoToshitake Suzuki
    • C08J5/18C08L23/02C08L25/08C08L67/02B32B27/06
    • C08J5/18C08L67/02C08J2367/02C08L23/02C08L25/08Y10S428/91Y10T428/249975Y10T428/249978Y10T428/249979
    • A polyester film having fine voids, which comprises a polymer mixture comprising a polyester resin and a thermoplastic resin (B) incompatible with said polyester resin, and which has an apparent specific gravity of 0.6-1.3 and an inplane birefringence as determined from the equation:inplane birefringence=refractive index along lengthwise principal axis-refractive index along crosswise principal axis,of from -0.02 to +0.04, and manufacture thereof. A thermoplastic resin film having fine voids, which comprises a polymer mixture comprising a thermoplastic resin (A) and a thermoplastic resin (B) incompatible with said thermoplastic resin (A), and which has a ratio (L1/L2) of an average length (L1) of the voids at a cross section in the lengthwise direction of the film, to an average length (L2) of the voids at a cross section in the direction forming a right angle with said lengthwise direction, i.e., crosswise direction of the film, of 2/3-3/2, a thickness variation of the film of not more than 5%, and a void content of 5-50% by volume, and manufacture thereof. The polyester film having fine voids of the present invention has an extremely superior isotropy, excellent tear resistance, extremely superior water resistance, moisture absorption, dimensional stability, surface stability, gloss and vividness of printed matters, and mechanical strength, which have been particularly achieved by making apparent specific gravity and inplane birefringence fall within a specific range mentioned above. The thermoplastic resin film having fine voids of the present invention suffers less from curling by heat, which has been achieved by making (L1/L2), thickness variation and void content fall within a specific range mentioned above.
    • 一种具有微细空隙的聚酯膜,其包含聚酯混合物,其包含聚酯树脂和与所述聚酯树脂不相容的热塑性树脂(B),并且其表观比重为0.6-1.3,并且由下式确定的面内双折射: 平面双折射率=沿着横向主轴的纵向主轴折射率的折射率为-0.02至+0.04,并且其制造。 一种具有微细空隙的热塑性树脂膜,其包含含有热塑性树脂(A)和与所述热塑性树脂(A)不相容的热塑性树脂(B))的聚合物混合物,其具有平均长度(L1 / L2) (L1)在膜的长度方向上的截面处的空隙的长度方向,与沿着所述长度方向成直角的方向的截面的空隙的平均长度(L2),即 膜的2 / 3-3 / 2,膜的厚度变化不大于5%,空隙含量为5-50体积%,并且其制造。 具有本发明的微细空隙的聚酯膜具有非常优异的各向同性,优异的抗撕裂性,特别优异的耐水性,吸湿性,尺寸稳定性,表面稳定性,印刷物的光泽和鲜艳度以及机械强度。 通过使表观比重和面内双折射落入上述特定范围内。 本发明的具有微细空隙的热塑性树脂薄膜通过使(L1 / L2),厚度变化和空隙率落在上述特定范围内而实现的热量卷曲不足。
    • 6. 发明授权
    • Film having fine voids and manufacture thereof
    • 薄膜具有细小的空隙及其制造
    • US5843578A
    • 1998-12-01
    • US966953
    • 1997-11-10
    • Yasushi SasakiKen-ichi MoriKatsuya ItoToshitake Suzuki
    • Yasushi SasakiKen-ichi MoriKatsuya ItoToshitake Suzuki
    • C08J5/18C08L23/02C08L25/08C08L33/06C08L55/02C08L67/02C08L69/00C08L71/12C08L81/06B32B27/06
    • C08J5/18C08L67/02C08J2367/02C08L23/02C08L25/08C08L33/06C08L55/02C08L69/00C08L71/12C08L81/06Y10T428/249978Y10T428/31786Y10T428/31797
    • A polyester film having fine voids, which comprises a polymer mixture comprising a polyester resin and a thermoplastic resin (B) incompatible with said polyester resin, and which has an apparent specific gravity of 0.6-1.3 and an inplane birefringence as determined from the equation: inplane birefringence=refractive index along lengthwise principal axis-refractive index along crosswise principal axis, of from -0.02 to +0.04, and manufacture thereof. A thermoplastic resin film having fine voids, which comprises a polymer mixture comprising a thermoplastic resin (A) and a thermoplastic resin (B) incompatible with said thermoplastic resin (A), and which has a ratio (L1/L2) of an average length (L1) of the voids at a cross section in the lengthwise direction of the film, to an average length (L2) of the voids at a cross section in the direction forming a right angle with said lengthwise direction, i.e., crosswise direction of the film, of 2/3-3/2, a thickness variation of the film of not more than 5%, and a void content of 5-50% by volume, and manufacture thereof. The polyester film having fine voids of the present invention has an extremely superior isotropy, excellent tear resistance, extremely superior water resistance, moisture absorption, dimensional stability, surface stability, gloss and vividness of printed matters, and mechanical strength, which have been particularly achieved by making apparent specific gravity and inplane birefringence fall within a specific range mentioned above. The thermoplastic resin film having fine voids of the present invention suffers less from curling by heat, which has been achieved by making (L1/L2), thickness variation and void content fall within a specific range mentioned above.
    • 一种具有微细空隙的聚酯膜,其包含聚酯混合物,其包含聚酯树脂和与所述聚酯树脂不相容的热塑性树脂(B),并且其表观比重为0.6-1.3,并且由下式确定的面内双折射: 平面双折射率=沿着横向主轴的纵向主轴折射率的折射率为-0.02至+0.04,并且其制造。 一种具有微细空隙的热塑性树脂膜,其包含含有热塑性树脂(A)和与所述热塑性树脂(A)不相容的热塑性树脂(B))的聚合物混合物,其具有平均长度(L1 / L2) (L1)在膜的长度方向上的截面处的空隙的长度方向,与沿着所述长度方向成直角的方向的截面的空隙的平均长度(L2),即 膜的2 / 3-3 / 2,膜的厚度变化不大于5%,空隙含量为5-50体积%,并且其制造。 具有本发明的微细空隙的聚酯膜具有非常优异的各向同性,优异的抗撕裂性,特别优异的耐水性,吸湿性,尺寸稳定性,表面稳定性,印刷物的光泽和鲜艳度以及机械强度。 通过使表观比重和面内双折射落入上述特定范围内。 本发明的具有微细空隙的热塑性树脂薄膜通过使(L1 / L2),厚度变化和空隙率落在上述特定范围内而实现的热量卷曲不足。
    • 7. 发明授权
    • Recording material
    • 录音材料
    • US06605337B1
    • 2003-08-12
    • US09558633
    • 2000-04-26
    • Kenichi MoriKazuyuki TsuchiiwaKatsuya ItoToru KotaniYasushi Sasaki
    • Kenichi MoriKazuyuki TsuchiiwaKatsuya ItoToru KotaniYasushi Sasaki
    • B32B2714
    • B41M5/52B41M3/008B41M5/506B41M5/508B41M5/5218B41M5/5227B41M5/5272Y10T428/24802Y10T428/24893Y10T428/26Y10T428/31786
    • A recording material comprising a substrate and an ink receiving layer formed thereon, wherein said substrate has a thickness of 38-200 &mgr;m, said ink receiving layer is a porous layer comprising particles and a resin and has a thickness of not less than 40 &mgr;m and not more than 105 &mgr;m, and wherein the recording material has a curl value of not more than +10 mm, and a recording material comprising a substrate and an ink absorption layer formed thereon, wherein the ink absorption layer has a surface strength of not less than 80 g weight/cm. The recording material thus obtained affords sharp recording of images having extremely high water resistance and free of bleeding by the ink jet recording method particularly using oily ink. The material hardly curls even under severe environment associated with radically changing humidity, temperature and the like, thereby ensuring stable transportability of the recording material without trouble caused by being in contact with a priting head. When used as an illumination signboard, moreover, the recording material affords superior images that are maintained when the illumination signboard is on or off.
    • 一种记录材料,包括在其上形成的基材和油墨接收层,其中所述基材具有38-200μm的厚度,所述油墨接收层是包含颗粒和树脂的多孔层,并且具有不小于40μm的厚度和 不大于105μm,并且其中所述记录材料具有不大于+ 10mm的卷曲值,以及包含基底和形成在其上的墨吸收层的记录材料,其中所述墨吸收层的表面强度不小于 超过80g重量/厘米。 由此获得的记录材料通过喷墨记录方法特别是使用油性油墨提供了具有极高耐水性和无渗色的图像的清晰记录。 即使在与湿度,温度等急剧变化相关联的严酷环境下,材料也难以卷曲,从而确保了记录材料的稳定的运输性,而不会由于与头部接触而引起麻烦。 此外,当用作照明招牌时,记录材料提供当照明招牌打开或关闭时保持的优质图像。